lib/aoc/math.rb at rust · sharparam.com/advent-of-code

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advent-of-code / lib / aoc / math.rb

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sharparam.com Add some documentation comments 1y ago

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 1# frozen_string_literal: true
 2
 3module AoC
 4  # Math helper stuff
 5  module Math
 6    class << self
 7      # @param x [Numeric]
 8      # @param y [Numeric]
 9      # @return [Numeric]
10      def cantor2(x, y)
11        (((x + y) * (x + y + 1)) / 2) + y
12      end
13
14      # @param x [Numeric]
15      # @param y [Numeric]
16      # @param z [Numeric]
17      # @return [Numeric]
18      def cantor3(x, y, z)
19        cantor(cantor(x, y), z)
20      end
21    end
22  end
23end